BR112020008674A2 - método para produção de di-hidroxiindóis - Google Patents

método para produção de di-hidroxiindóis Download PDF

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Publication number
BR112020008674A2
BR112020008674A2 BR112020008674-6A BR112020008674A BR112020008674A2 BR 112020008674 A2 BR112020008674 A2 BR 112020008674A2 BR 112020008674 A BR112020008674 A BR 112020008674A BR 112020008674 A2 BR112020008674 A2 BR 112020008674A2
Authority
BR
Brazil
Prior art keywords
solution
tank
suitably
less
water
Prior art date
Application number
BR112020008674-6A
Other languages
English (en)
Portuguese (pt)
Inventor
Norihiro Ito
Masayoshi NAKAMOTO
Original Assignee
Kao Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kao Corporation filed Critical Kao Corporation
Publication of BR112020008674A2 publication Critical patent/BR112020008674A2/pt

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C07D209/02—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom condensed with one carbocyclic ring
    • C07D209/04—Indoles; Hydrogenated indoles
    • C07D209/08—Indoles; Hydrogenated indoles with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, directly attached to carbon atoms of the hetero ring
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C07D209/02—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom condensed with one carbocyclic ring
    • C07D209/04—Indoles; Hydrogenated indoles
    • C07D209/30—Indoles; Hydrogenated indoles with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to carbon atoms of the hetero ring
    • C07D209/42—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Indole Compounds (AREA)
BR112020008674-6A 2017-11-01 2018-10-31 método para produção de di-hidroxiindóis BR112020008674A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2017212035 2017-11-01
JP2017-212035 2017-11-01
PCT/JP2018/040457 WO2019088151A1 (ja) 2017-11-01 2018-10-31 ジヒドロキシインドール類の製造方法

Publications (1)

Publication Number Publication Date
BR112020008674A2 true BR112020008674A2 (pt) 2020-10-27

Family

ID=66332518

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112020008674-6A BR112020008674A2 (pt) 2017-11-01 2018-10-31 método para produção de di-hidroxiindóis

Country Status (8)

Country Link
US (1) US10947194B2 (zh)
EP (1) EP3689852B1 (zh)
JP (1) JP7212628B2 (zh)
CN (1) CN111247124B (zh)
BR (1) BR112020008674A2 (zh)
SG (1) SG11202003954QA (zh)
TW (1) TWI762736B (zh)
WO (1) WO2019088151A1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115028565A (zh) * 2022-05-25 2022-09-09 敏峰高新材料(广东)有限公司 5,6-二羟基吲哚的制备方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH679150A5 (zh) * 1986-11-07 1991-12-31 Oreal
DE3935128A1 (de) * 1989-10-21 1991-04-25 Henkel Kgaa Oxidationsfaerbemittel, dessen herstellung und anwendung
US5486619A (en) * 1994-04-29 1996-01-23 Clairol, Inc. Method of producing DAI from DOPA, using one reaction vessel
US5704949A (en) * 1996-02-16 1998-01-06 Clairol Incorporated Process for the manufacture of a hair dye product containing 5,6-dihydroxyindole
JP4395436B2 (ja) * 2004-12-08 2010-01-06 花王株式会社 染毛剤組成物
US10214476B2 (en) 2011-12-30 2019-02-26 Ecole Nationale Superieure De Chimie De Clermont Ferrand Pain relief compounds
JP2016141667A (ja) 2015-02-04 2016-08-08 第一工業製薬株式会社 ショ糖脂肪酸エステルの製造方法
CN110981782A (zh) * 2019-12-25 2020-04-10 广州星业科技股份有限公司 一种高效制备5，6-二羟基吲哚的方法

Also Published As

Publication number Publication date
TWI762736B (zh) 2022-05-01
US10947194B2 (en) 2021-03-16
EP3689852B1 (en) 2024-05-29
TW201927751A (zh) 2019-07-16
SG11202003954QA (en) 2020-05-28
CN111247124A (zh) 2020-06-05
CN111247124B (zh) 2023-10-13
US20200339510A1 (en) 2020-10-29
WO2019088151A1 (ja) 2019-05-09
EP3689852A1 (en) 2020-08-05
EP3689852A4 (en) 2021-06-09
JPWO2019088151A1 (ja) 2020-11-12
JP7212628B2 (ja) 2023-01-25

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Legal Events

Date Code Title Description
B350 Update of information on the portal [chapter 15.35 patent gazette]
B06W Patent application suspended after preliminary examination (for patents with searches from other patent authorities) chapter 6.23 patent gazette]
B11B Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements